インボリュートいんぼりゅーとMeanings1nouninvolutemathematicsMathematical term for a curve traced by a point on a taut string unwinding from another curve. Used in geometry and engineering.歯は車ぐるまの歯は形がたにはインボリュート曲きょく線せんがよく使つかわれる。Involute curves are often used for gear tooth profiles.